Who said "I will never give up my pursuit of that varmint."?

This quote is attributed to Sylvester.

I will never give up my pursuit of that varmint. - Sylvester

"I will never give up my pursuit of that varmint."

Sylvester Perseverance

"Sufferin' succotash!"

"That's all, folks!"

"I'm a-gonna get you yet, you wascally wabbit!"

"Thufferin' thuccotash, that wabbit makes me so mad!"

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."